for the reaction between acetic acid and sodium hydroxide how many moles of acetic acid are required to completely neutralize 25 ml naoh 0.5m?

Answer:

Catalase

Explanation:

These reactive oxygen specie or free radicals that cause damage or injury to cells also lead to oxidative stress if unchecked by antioxidants. As suggested in the question, there are several enzymes that act as antioxidants in mitigating the effects of these reactive oxygen specie or free radicals. These enzymes include catalase, superoxide dismutase and glutathiones (such as glutathione s-transferase).

The enzyme that however prevents the accumulation of hydrogen peroxide (H₂O₂) in the peroxisome is catalase. Catalase is an enzyme that is present in the peroxisome; it (catalase) detoxifies/acts on H₂O₂, converting it (H₂O₂) into water and oxygen.

answer:it is false

explanation: as it is true or false I think you don't need explanation

Answer:

Bacteria has 1 cell and An Animal has multiple cells.

Explanation:

Bacteria is a cell its self. While An Animal, It has multiple cells that create multiple tissues, and those tissues create multiple organs, those organs make up an organ system. After the Organ System, it's an organism.

Organism = Animal, Human, Ect.

Meanwhile, Bacteria is made up ONE CELL (bacteria it's self is 1 cell)

So the answer is "Bacteria has 1 cell and An Animal has multiple cells."

I hope this helped!! <33

Answer:

Conduction

Explanation:

Conduction can be regarded as transfer of thermal energy which exist

between two or more objects that are in contact with each other. From the question, the spoon touches the hot liquid and heat is transferred to the spoon through conduction

Intermolecular forces are the forces that exist between molecules. These forces are responsible for the interactions between molecules, and they determine the physical and chemical properties of matter. Without intermolecular forces, matter would not exist as we know it.

Intermolecular forces are classified into four main types: dispersion forces, dipole-dipole forces, hydrogen bonding, and ion-dipole forces. Dispersion forces are the weakest of the four, but they are also the most common. Dispersion forces exist between all molecules, and they are responsible for the forces of attraction between molecules. Dipole-dipole forces are slightly stronger than dispersion forces, and they exist between molecules that have dipoles. Hydrogen bonding is the strongest of the intermolecular forces, and it exists between molecules that have hydrogen atoms bonded to nitrogen or oxygen atoms. Ion-dipole forces are the strongest of the intermolecular forces, and they exist between molecules that have an ionic charge.

Intermolecular forces are important because they determine the physical and chemical properties of matter. Without these forces, matter would not exist as we know it.

Learn more about Intermolecular Forces:

https://brainly.com/question/13588164

#SPJ4

The article aims to highlight the most recent improvements in the PCET procedures for electrocatalysis at clearly characterized electrode–electrolyte interfaces.

Aim : Here, we focus on the most recent developments in the PCET methods for electrocatalysis at clearly defined electrode–electrolyte interfaces.

Method: Since the groundbreaking and ongoing studies made by Frumkin and his colleagues initiated in the 1930s, non-covalent interaction, which is controlled by the cation/anion features, is known to play a crucial role in the interfacial water and adsorbate environments correlated to electrode–electrolyte catalytic properties.

The microscopic perspective of this interaction is still a significant scientific mystery, nevertheless. Recent research based on the well-defined surface and solid-liquid interfacial structure of single-crystal model electrodes revealed novel characteristics of the cation effect.

Practical usage: Designing high-performance electrode and electrolyte materials requires an understanding of the roles played by the electrical double layer (EDL) structure in proton-coupled electron transfer (PCET) electrode processes.

Learn more about  electrode–electrolyte here:

https://brainly.com/question/10427575

#SPJ4

being able to be divided into big, thin layers FEEDBACK: A mineral must be divided into numerous, thick layers in order to be utilized as a window pane. supple, fragile layers

A mineral is an organic element or compound that occurs in nature and has a recognizable chemical composition, crystalline size, and physical characteristics. Silica, feldspar, mica, albite, olivine, and calcite are examples of common minerals.

A mineral is just a substance that occurs naturally having unique atomic structures, compositions, and chemical and physical properties. Rocks are often composed of two or even more minerals that have been mixed by geological processes.

To know more about minerals visit:

https://brainly.com/question/8831889

#SPJ4

6.73 m is the  height h; the bottle be placed so the liquid pressure is 66 mm - hg

P=ρgh

P=pressure

g= gravity

h= height

ρ=density

P=ρgh

h=P/ρg

h=66/1×9.8

h=6.73 m

The definition of pressure is force/area. For instance, the weight of the snow divided by the area of the roof would be used to illustrate the pressure from snow on a roof. In chemistry, gases are a common source of pressure. The lack of pressure is referred described as a "vacuum." Since "nature abhors a vacuum," humans have long believed that vacuums are both impossibly rare and unnatural. This isn't actually the case

The quantity of pressure units is absurd. The torr or mmHg is a frequently used unit. All that is being discussed here is a mercury column's height. There are 760 torr, or mmHg, in the atmosphere. You may also have a look at mmH2O

To know more about  pressure visit : brainly.com/question/18124975

#SPJ1

Answer:

K2Cr2O7

Explanation:

Solubility refers to the amount of substance that dissolves in a given mass or volume of solvent. There are several units of solubility applicable in different areas.

Solubility is dependent on temperature. The solubility curve is a graphical representation of the dependence of solubility on temperature for different chemical species.

If we study the solubility curve closely, we will see that K2Cr2O7 has the highest solubility at 100°C. This means that if the trends continue, this substance will also have the highest solubility at 120°C.

Answer: c

Explanation:

The correct option is (a) 1,000,000ºK.

The temperature of the Sun's corona is most nearly equal to option (a) 1,000,000ºK. The corona is the outermost layer of the Sun's atmosphere and is composed of highly ionized gas. The temperature of the corona is much higher than the temperature of the Sun's visible surface (the photosphere), which has a temperature of about 5,500 ºC (or 5,800 ºK). The reason for the high temperature of the corona is still not fully understood, but it is thought to be related to the Sun's magnetic field and the transfer of energy from the Sun's interior to its outer atmosphere.

Click the below link, to learn more about Sun's temperature:

https://brainly.com/question/31543478

#SPJ11

The time required for the effusion of 1 L of methane is equal to 98 seconds.

Graham’s law can be described as the rate of effusion or diffusion of gas being inversely proportional to the square root of its molecular weight.

According to Graham’s Law, molecules with lower molecular mass will effuse faster than those with higher molecular mass molecules.

\({\displaystyle {\frac{R_1}{R_2} =\sqrt{\frac{M_2}{M_1} }\)

Where M₁ and M₂ are the molar mass of gas 1 and gas 2 respectively.

Given the molar mass of Helium = 4 g/mol

The molar mass of methane, CH₄ = 16 g/mol

The rate of the helium diffusion = 1L/49s

The ratio of the rate of diffusion of given gases can represented as:

\({\displaystyle {\frac{1L/49 s}{R_{CH_4}} =\sqrt{\frac{16}{4} }\)

\(R_{CH_4} = 1L/98 s\)

Therefore, one liter of methane will take 98 seconds to effuse.

Learn more about Graham's law, here:

brainly.com/question/12415336

#SPJ1

Answer:State the number of valence electrons for a hydrogen atom and a bromine atom in a covalent bond.

Explanation:

Answer:

mice

bacteria

fungi

Explanation:

that's the answer

Answer:

Explanation:

(a) C5H5N(aq)+H2O(l)⇌C5H5NH+(aq)+OH−(aq)

The transmission electron microscope (TEM) works much like a light microscope, transmitting a beam of electrons through a thin specimen and then focusing the.

A stream of electrons is sent through a specimen during transmission electron microscopy (TEM), which produces a picture of the sample. The specimen is often a grid- or suspension-supported ultrathin segment that is less than 100 nm thick. As the beam passes through the specimen, a picture is created due to the interaction of the electrons with the material. The picture is subsequently enlarged and focussed onto an imaging device, such as a fluorescent screen, a sheet of photographic film, or a sensor like a scintillator linked to a charge-coupled device.

Due to the electrons' shorter de Broglie wavelength, transmission electron microscopes can image at a resolution that is substantially higher than that of light microscopes.

To learn more about transmission electron microscope from the given link:

https://brainly.com/question/10958281

#SPJ4

question: Using an electron microscope, Jane measured a rod-shaped bacterium and found it to be 0.00000345 meters in length. List the steps she should take to represent this number in scientific notation.

Answer:

The coefficient of this value in scientific notation is 3.45.

The decimal point needs to be moved six places to the right, so the exponent is -6.

0.00000345 = 3.45 × 10-6

Explanation: edmentum sample answer

The organic compound, carboxylic acid will be found in ethyl acetate.

Organic compounds are those compounds that are obtained naturally from living matter.

Organic compounds are mostly composed of carbon, hydrogen, and oxygen.

Organic compounds are generally covalent compounds. Hence, they are usually non-polar compounds.

Based on the principle of like dissolves like, organic compounds are usually soluble in non-polar organic solvents and insoluble in polar inorganic solvents like water.

Carboxylic acid is an organic compound.

Ethyl acetate is an organic compound.

Aqueous NaHCO₃ is an inorganic compound.

Hence, carboxylic acid will dissolve in Ethyl acetate.

Learn more about organic compounds at: https://brainly.com/question/6279332

#SPJ1

The density of strontium in kilograms per cubic meter if a 4.00 kg sample has a volume of 0.00152.m³ is calculated as 2631.57 kg/ m³.

Density is generally defined as the mass of material per unit volume. Density is an important concept as it allows us to determine what substances will float and what will sink when placed in a liquid. Generally, substances float as long as their density is less than density of the liquid they are placed in.

Given, mass = 4kg and volume = 0.00152.m³

So, Density of strontium = 4kg/0.00152m³

Density of strontium = 2631.57 kg/ m³

To know more about density of material, refer

https://brainly.com/question/28504184

#SPJ1

Answer:

it's A) or E)

others are not suitable cuz their melting point is weak.

Answer:

Gallium

Explanation:

Because the melting point is low and the drinks are usually around 60-70 degrees Celsius so it wil melt

Answer:

A. 1s²2s²

B. 1s²

C. 1s²

D. 1s²2s²2p⁶

Explanation:

The valency electron is the outer electron of an element. The valency electron resides in the outermost region of the shell.

Using the general configuration for the first 20 elements 2 8 8 2 the valency electrons can be identified.

A. 1s²2s²2p⁶3s² . The valency electron here are 2p⁶ and 3s² . Removing the valency electron we have 1s²2s²

B. 1s² 2s² 2p⁶. After removing the valency electron the configuration will be 1s².

C.1s²2s². After removing the valency electron the configuration will be 1s²

D.1s²2s²2p⁶3s¹. Removing the valency electron the electron configuration will be 1s²2s²2p⁶

Therefore, the molar solubility of Ba(IO3)2 in a solution of 0.01 M Ba(NO3)2 is 5.3 x 10^-4.

To solve this problem, we need to consider the common ion effect, where the presence of Ba2+ from Ba(NO3)2 will decrease the solubility of Ba(IO3)2.

The balanced equation for the dissolution of Ba(IO3)2 in water is:

Ba(IO3)2(s) ↔ Ba2+(aq) + 2IO3-(aq)

Let x be the molar solubility of Ba(IO3)2 in the presence of 0.01 M Ba(NO3)2. Then the concentration of Ba2+ in solution is 0.01 + x, and the concentration of IO3- ions is 2x.

The solubility product expression for Ba(IO3)2 is:

Ksp = [Ba2+][IO3-]2 = x(2x)2 = 4x3

The common ion effect tells us that the solubility of Ba(IO3)2 will be reduced by the presence of Ba2+ from Ba(NO3)2. Therefore, we can write:

(0.01 + x)(2x)2 = 4x3

Simplifying and solving for x:

0.04x3 + 0.04x2 - 0.0008x = 0

x(0.04x2 + 0.04x - 0.0008) = 0

x = 0 (extraneous) or x = 5.3 x 10^-4

Therefore, the molar solubility of Ba(IO3)2 in a solution of 0.01 M Ba(NO3)2 is 5.3 x 10^-4. The answer is (C).

To know more about molar solubility click here:

https://brainly.com/question/16243859

#SPJ11

Answer:

a. As

Explanation:

Answer:

A distance-time graph shows how far an object has travelled in a given time. Distance is plotted on the Y-axis (left) and Time is plotted on the X-axis (bottom).

Answer:

1.476 mol molecules

Explanation:

Answer:

force=d/t, n

Mass=v/t

velocity=m/d

Answer:

The atomic combinations can be matched to the appropriate functional groups as follows:

- A. C-O-C: C. Ester

- B. O=C-O-H: B. Carboxylic acid

- C. O=C-O-C: C. Ester

- D. C-O-H: A. Alcohol

Explanation:

Answer:

C

Explanation:

it to avoid mistakes and understand each other more easily and ensures wide world dissemination of the Si and modifies the Si to its latest advanced in technology. I hope this help!

Answer:

C. makes the most sense to me.

So sorry if this is not right. But Hope This Helps!

Answer:

The coefficient for Al(s) is 2.

Explanation:

__ Al(s) __ O2(g) --> __ Al2O3(s)

__ Al(s) __ O2(g) --> 1 Al2O3(s)

1 Al(s) __ O2(g) --> 1 Al2O3(s)

1 Al(s) + 1.5 O2(g) --> 1 Al2O3(s)             [Use a fraction to make it balance]

2 Al(s) + 3 O2(g) --> 2 Al2O3(s)             [Convert the 1.5 fraction to a whole number by multiplying all coefficients by 2]

Answer:

(i),(ii) and (iv)

Explanation:

Villi are finger-like outgrowths of the human intestine.

The main role of villi is to amplify surface area for rapid absorption of digested food. They have very tiny walls; the role of these walls is to pass digested nutrients through diffusion. These are directly connected to the blood vessels. Thus, the circulating blood can carry these nutrients away.

The correct answer is the first option.